Inventor
Hirofumi Hirata
Inventor
Tokyo, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F04Cprimary
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids38%
F01CRotary-piston or oscillating-piston machines or engines23%
F04BPositive-displacement machines for liquids8%
F25BRefrigeration machines, plants or systems8%
H02KDynamo-electric machines8%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications8%
Y10TTechnical subjects covered by former us classification8%
PatentTitleYear
10,815,993Scroll fluid machine with improved power transmission mechanism20209,732,753'Scroll compressor with inclined surfaces on the stepped portions'20179,366,253'Scroll compressor and processing method of scroll including a projection on a tip seal and a hole in a tip seal groove'20168,556,605'Scroll compressor having a rotation inhibitor'20137,473,080'Compressor having internally mounted inverter'2009Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2009–2020Patents assigned to MITSUBISHI HEAVY IND LTD (3)· patent assignee history
2009Based in Kiyosu, JP· patent location history
2013Patents assigned to HIRATA HIROFUMI (1)· patent assignee history
2013Based in Aichi, JP· patent location history
2016–2017Patents assigned to MITSUBISHI HEAVY IND AUTOMOTIVE THERMAL SYS CO LTD (2)· patent assignee history
2016–2020Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI HEAVY IND LTD | 3 | 2009–2020 |
| MITSUBISHI HEAVY IND AUTOMOTIVE THERMAL SYS CO LTD | 2 | 2016–2017 |
| HIRATA HIROFUMIself | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 3 | 2016–2020 |
| Aichi, JP | 1 | 2013 |
| Kiyosu, JP | 1 | 2009 |